3 ms·

Their psychographic model was hugely overblown. A couple of Facebook likes do not mean they suddenly know the path to change your mind with some ads. They were

• mockingbirdy 8y ago
  In the article you've linked, the whistleblower says: "the company itself was founded on using Facebook data" (watch at minute 09:00). Their models might not be the most accurate, but they are a big part of their success. + all those dirty tricks they've pulled off.